1 of 13

Slide Notes

DownloadGo Live

SOUND WAVES

Published on Nov 18, 2015

sound waves

PRESENTATION OUTLINE

SOUND WAVES

Maia, Kalon, Odin, Alivia, Kayla

QUestion 1

What is a sound wave?

Answer

  • A sound wave is a wave of compression and rarefaction by which sound is 
  • propagated in an elastic medium such as air.

qUESTION 2

How do our ears absorb soundwaves?

Answer

  • Our ears are naturally designed to collect, focus, and transmit sounds
  • through a tiny and efficient conveyance system called the auditory pathway.

qUESTION 3

How does an echo work?

aNSWER

  • Echos are reflected sound.
  • This means that sound bounces off solid matter.
  • Sound reflected back to its source is an echo.

Question 4

Why doesn't sound travel in a vacuum?

Answer

  • There are no atoms to vibrate to carry the sound waves.
  • It needs a medium to travel through.

question 5

What is it that determines the pitch of a note?

Answer

  • The pitch is determined by the sounds frequency.

Question 6

If a sound increases, which wave characteristic is it likely increasing?

Answer

  • Amplitude is the only characteristic increasing.